Introdução: G --------------------4---------4-----------------------4--------- D --7-7-5-7-7-5-7-5-7---5 7-5-7---5---7-7-5-7-7-5-7-5-7---5 7----- A ---------------------------------------------------------------- E ---------------------------------------------------------------- G ---------------------------------------------------------------- D --3-3-2-3-3-2-3-2-3-5-2-3-2-3-5-2------------------------------- A ---------------------------------------------------------------- E ----------------------------------------------------------------